"Mon, 16 Sep 2024 20:13:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
20:13:12
General datetime
2024-09-16 20:13:12Z
For Database
2024-09-16 20:13:12
For HTTP1.1
Mon, 16 Sep 2024 20:13:12 GMT